public IActionResult Index(string conventionId) { var viewModel = new ConventionStatisticsViewModel(); if (conventionId.IsEmptyString() && Actor.HasManagedConvention) { conventionId = Actor.ManagedConvention.ConventionId; } if (conventionId.IsEmptyString()) { return(View(viewModel)); } viewModel = Gateway.BuildStatisticView(conventionId); return(View(viewModel)); }